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प्रश्न
What are fuels?
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उत्तर
Fuels: The substances which burn in air to produce a large amount of energy in the form of heat and light are called fuels.
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संबंधित प्रश्न
Fill in the blank :
________ is the most abundant inert gas present in air.
Tick (√) the most appropriate answer.
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Tick (√) the most appropriate answer.
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What are the two necessary conditions for rusting of iron?
Can you guess why fire extinguishers throw a stream of carbon-di-oxide while putting - off the fire?
Which of the following is true about oxygen?
When cooled to -57°C, gaseous carbon-di-oxide becomes a liquid.
Venus's atmosphere consists of roughly 96 – 97% of ______.
Carbon dioxide gas is ______ in nature.
